Varices of the colon.
D000368:Aged; D002648:Child; D003108:Colonic Diseases / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications; D008297:Male; D008875:Middle Aged; D012812:Sigmoidoscopy; D014652:Vascular Diseases / Q000150:complications*; D014680:Veins / Q000002:abnormalities*